METHODS OF HARDBANDING JOINTS OF PIPE USING FRICTION STIR WELDING
摘要
A method for applying a wear reducing material to a tool used in a wellbore operation that includes welding a hardfacing alloy to a surface of the tool, wherein the welding comprises friction stirring the alloy into the tool's surface is disclosed. Methods of welding a preformed sleeve or width of wear reducing material using friction stirring are also disclosed.
申请公布号
EP2334463(A4)
申请公布日期
2017.03.01
申请号
EP20090807267
申请日期
2009.08.13
申请人
Smith International, Inc.
发明人
KESHAVAN, Madapusi, K.;STEEL, Russell, J.;ROTH, Cary, A.;ALSUP, Shelton, W.